CN109562453A - The method and computer-readable medium of increasing material manufacturing - Google Patents

Abstract

The present invention relates to a kind of methods of increasing material manufacturing, it include: the first part (1) that increasing material manufacturing is used for component (100), wherein, position feature (10) are provided to first part (1), increasing material manufacturing is used for the second part (2) of component (100) on first part (1), and in the case where building failure occurs during the increasing material manufacturing of second part (1), the reversed current accumulation of processing is exposed until position feature (10), with first part (1) dividually increasing material manufacturing second part (2), to provide corresponding position feature (20) to second part (2), and connection first part (1) and second part (2) are to provide component (100).

Description

The method and computer-readable medium of increasing material manufacturing

The present invention relates to the methods of increasing material manufacturing, and in particular to the system failure is prevented or avoided in material increasing field Method.More specifically, the present invention can be related to referring to concept.

Powder bed manufacturing method such as selective laser melting or selective laser sintering are for according to such as powder material The relatively well known method of material production, prototype or manufacture part or component.Conventional equipment or equipment for this method It generally includes manufacture or construction platform on the platform, then can be by basic material after the supply of one layer of basic material Fusing constructs component for example, basic material is melted and be subsequently cured basic material by the energy by laser beam layer by layer.Layer Thickness is determined by the wiper that excess stock is for example automatically moved and removed in powder bed.Typical layer is with a thickness of 20 μm or 40 μm.During manufacture, the laser beam scans on the surface and melts the powder on selection area, wherein can be according to be manufactured The geometry of component predefines selection area by cad file.

For example, a kind of method of selective laser melting known from 2 601 006 B1 of EP.

Term " component " used herein is preferably related with ceramic component or metal parts.It is highly preferred that component can It is related with the component with turbine, such as the component of combustion gas turbine.

In the increasing material manufacturing of the heavy parts of component, for example, passing through the increasing of selective laser melting or electron-beam melting In material manufacture, since long association constructs the time, the failure of waste and/or the building of resource it is very risky.In particular, If building operation breaks down among accumulation (buildup) or in such as midway manufacture building operation, would generally Part is wasted, and new manufacturing process needs from the beginning.This causes to waste time, raw material and money.

Seem to there is no actual solution the problem of being previously mentioned, wherein once catastrophic failure occurs, i.e., it can not be from Restore building in machine environment, can restore and/or continue to construct operation.Alternatively, it is necessary to cancel inappropriate or wrong manufacture Component building operation, and waste or scrap corresponding structure.

Therefore, the purpose of the present invention is to provide the means for solving the problems, such as to be previously mentioned.Particularly, it provides a method, It can make increasing material manufacturing system by this method or method is failure safe and/or can be to avoid the waste of material or component. Particularly, alternatively, the accumulation failure at least in the various pieces of component " can be repaired (heal) ", and original bulk It can be adjusted or continue.

Above-mentioned purpose is realized by subject matter of the independent claims.Advantageous embodiments are the masters of dependent claims Topic.

An aspect of of the present present invention is related to a kind of method of the part of increasing material manufacturing component, including increasing material manufacturing for component First part, wherein provide position feature to first part.

Position feature can or fixed reference feature related with fixed reference feature or alignment characteristics or alignment characteristics.

This method further includes the second part that increasing material manufacturing is used for the component, for example, it is preferred at the top of first part Upper increasing material manufacturing is used for the second part of the component.For this purpose, second part is preferably Nian Jie with first part, metallurgically connects It connects and/or for good and all connects.

In the case where occurring to construct failure, the feelings of building failure occur preferably during the increasing material manufacturing of second part Under condition, this method includes the current accumulation of reversed processing, it is advantageously that is formed by the cured part of first part and second part Accumulation, be visible until position feature is exposed.

" the reversed processing " can be related to any grinding technology known to technical staff.Preferably, reversed processing It is related to melting and/or evaporate cured material or vane cluster by corresponding increases material manufacturing technology and removes cured material.

Advantageously, position feature or multiple position features should be arranged at advantageous position, for example, component should be manufactured Area: in these areas, considerably complicated geometry be easy to happen building failure or mistake accumulation.

After exposure position feature, this method be included in the second accumulation or with first part dividually increasing material manufacturing Two parts, to provide corresponding position feature to second part.

Corresponding position feature preferably cooperates or matches with position feature.Corresponding position feature can also constitute with it is mentioned Position feature complementation position feature.

This method further includes connection first part and second part to provide component.

First part can be foundation.Second part can be manufactured on the top of foundation Part, such as the funtion part of corresponding component.

The advantages of as the method proposed, it can be advantageous to avoid wasting money completely in the case where constructing operation failure Source, because the position feature and corresponding position that are presented are characterized in directly providing by increasing material manufacturing method.For example, more When undesirable building failure occurs in the manufacture of the second part of the building mistake mentioned by being easy to happen, for example, first The position feature divided provides the instruction first component needs to be reversed processing instruction how far during reversed processing.

Therefore, it can restore or continue the accumulation of component based on first part.Therefore, for first part spend when Between and resource will not be wasted and still can be used for the component.Another advantage of the method proposed is, can be by institute The increases material manufacturing technology used easily provides position feature.For this purpose, respective counts that may in the construction setting of component According to considering position feature in collection (CAD data).

In embodiments, position feature and corresponding position feature can cooperate by shape or just cooperate (positive Fit it) engages.The advantages of as the embodiment, can at least avoid for example connecting the part relative to certain directions First part and second part are mutually shifted before.

In embodiments, position feature include or constitute recess portion.

In embodiments, corresponding position be characterized in the matched engagement features of recess portion or lock-in feature or protrusion, or Vice versa, and first part and second part is enabled to engage or engaged.

In embodiments, first part is the part for being easy to building or low-risk of component, which has low Manufacture complexity.According to the embodiment, first part, which is preferably priori or being selected as component, very may be used By ground increasing material manufacturing and it is susceptible to the wrong a part of building.

In embodiments, second part is that component is prone to or can for example be prone to manufacturing fault or accumulation The complexity of failure or high risk part.Particularly, what second part may be constructed component includes chamber, channel or other complex characteristics A part.In addition, second part may include overhanging.

The structure or geometry, --- although really can be by increasing the manufacture of material means --- be prone to structure Mistake is built, although corresponding design usually can be manufactured by increasing material technology.

In embodiments, position feature and corresponding position feature are designed and/or are manufactured so that: first part and Two parts are aligned relative to each other to connect first part and second part.

In embodiments, in the case where having occurred and that mentioned building mistake or building failure, first part and Second part is ultimately relative to be bonded to each other, metallurgically connects and/or for good and all connect.This can be by means of welding, pricker Weldering and/or the application of bonding agent are realized.

In embodiments, first part include or component parts or foundation for component, wherein first Multiple position features are provided at partial coboundary.The coboundary of first part can also be limited by position feature.

In embodiments, multiple position features are arranged at the identical height of first part, for example, along component Accumulation axis direction on measure or observation identical height at.The accumulation axis can be inherently by corresponding increasing material manufacturing skill Art limits.For example, accumulation axis is predefined as successively moving construction platform in the case where the technology based on powder bed Axis.

In embodiments, the corresponding position feature of second part is provided for each position feature of first part. The embodiment is for example in terms of the advantageous alignment of first part and second part and/or first part and second part at least close The aspect that is fixed to each other in some direction is advantageous.

In embodiments, increase material by means of powder bed manufacturing technology such as selective laser melting or electron-beam melting Manufacture first part and/or second part.

In embodiments, it realizes in CAD software, CAM software and/or simulation softward or can realize this method, this is soft Part is configured to the position of design and/or calculating position feature and position feature in component or at component, such as automatically or partly It automatically designs and/or calculates, such as design and/or calculate under the guidance of operator.

Another aspect of the present invention is related to a kind of computer-readable medium comprising executable program instructions, it is described to hold Line program instruction be suitable to indicate that data processing equipment and/or increasing material manufacturing equipment execute at least some of following steps step or Overall Steps:

Increasing material manufacturing is used for the first part of component, wherein position feature (10) are provided to first part (1),

Increasing material manufacturing is used for the second part of component on first part (1), and in the increasing material system of second part (2) In the case where building failure occurs during making,

The reversed current accumulation of processing is exposed until position feature (10), and

With first part's dividually increasing material manufacturing second part, to provide corresponding position feature to second part (2) (20)。

The step of increasing material manufacturing, is preferably related with described first part and second part.

Another aspect of the present invention is related to the component by mentioned method manufacture or just manufactured.

Advantage, feature or the embodiment related with the method for description can also be with component and/or computer-readable medium It is related.

According to the description below in conjunction with attached drawing to illustrative embodiments, other features, benefit and it is advantageously improved and will becomes It obtains obviously.

Fig. 1 schematically shows the design for wanting the component of increasing material manufacturing.

Fig. 2 schematically shows the processing steps of the method proposed.

Fig. 3 schematically shows another processing step of proposed method.

Fig. 4 schematically shows the another processing steps of the method proposed.

Fig. 5 schematically shows another processing step of proposed method.

Fig. 6 schematically shows another processing step of proposed method, and wherein component is manufactured.

At least some steps for the step of Fig. 7 is shown with exemplary flow according to the method proposed.

In the accompanying drawings, the element of similar components, the element of same type and phase same-action can be provided identical attached drawing Label.

Fig. 1 shows component 100 with rough schematic view, is Most particularly preferably used for the data set of the component, such as CAM File and/or cad file.

Component 100 can be can for example be appointed by what selective laser melting or other technologies manufactured by increasing material means What component.Although not explicitly pointing out, component 100 may be constructed turbine components, such as the wing for combustion gas turbine Piece or blade.Alternatively, component can be fluid flow applied in engine or other greatly different technical fields it is any its His component.

Showing the component includes first part 1.First part 1 can be component 100 or for component 100 basis Part.

The component further includes second part 2.Second part 2 can be component 100 or for the additional of component 100 and/ Or funtion part.

In the case where turbine components such as fin or blade, first part can be related to root of blade and second The corresponding airfoil (airfoil) of the blade or fin can be related to by dividing.

In the case where for example for the combustor component of internal combustion engine or turbogenerator, first part can indicate to burn Device base portion or root, wherein second part may be constructed for example accurate or complicated burner tip.

For the present invention, it is usually preferred that first part 1 includes geometry that is relatively easy or being easy to construct.Phase Instead, second part preferably may be susceptible to generation manufacturing fault or the geometry sensitive to manufacturing fault by considerably complicated To characterize.

The upper increasing material manufacturing preferably in first part 1 or at the top of first part 1 of second part 2.

Difference between first part 1 and second part 2 can be by the behaviour of manufacturing equipment or corresponding computer ancillary equipment Author is limited by method or software realization.

First part 1 can also be the part for being easy to building or low-risk of component 100, which has low system Complexity is made, wherein second part 2 can be complexity or the high risk part of component 100.

As shown in Figure 1, first part includes position feature 10, the preferably position at the side of component 100 or profile side Set feature 10.The position feature 10 can be provided for example at each angle of first part 1, it can provide four or even More position features 10, such as the periphery along component 100 or the outer boundary close to component 100 provide position feature 10.Position Set feature 10 can be it is equally spaced, such as close to mentioned outer boundary.

It can for example provide at relative to the identical height of accumulation axis BA (referring to fig. 2 and/or Fig. 6) or distance as schemed institute The position feature 10 shown.

There is provided position feature 10 preferably with the manufacture progress of instruction or the restriction of flag member 100 or its first part. For this purpose, position feature 10 may include fixed reference feature.Position feature 10 can also constitute alignment characteristics (see below).

Particularly, during computerization construction, such as in CAM and/or CAD data collection, position feature and its position It may be designed together with component 100.

Then, in the method proposed, it can be envisaged that such as CAD data collection is arranged by component or its data set point in data If at stem portion, such as first part 1 and second part 2.The described each section that is divided into should complexity based on each section and right It constructs the sensibility of failure and executes and (see above).In addition, the division can be performed automatically, such as it is driven by the machine, or It semi-automatically executes, such as under the help or guidance of operator, is executed in the software realization of the method for example proposed.

In other words, when exist building operation known high risk part when, can be placed below high risk zone or Imagine internal reference feature.

In the design of component in Fig. 1, chamber 3 by dotted line indicate with illustrate due to component 100 corresponding function requirement and The internal structure that can be imagined in the design of second part 2 or channel.It is described in the case where the fin of turbine or blade Chamber 3 preferably indicates the cooling duct of for example corresponding airfoil, with second part advantageously cooling during the operation of component 100 2 structure.

The instruction preferably constitutional detail of indicate indicator 100 or part of the Fig. 2 into Fig. 6, with the Fig. 1 for only indicating its design Instruction be contrasted.

Fig. 2 schematically shows first parts 1.Preferably, shown first part 1, example has been easily manufactured Such as, first part 1 has been manufactured by selective laser melting, has constructed failure without generation, such as due to component 100 The simple shape of first part constructs failure without occurring.As described above, the increasing material of first part 1 is accumulated along by attached drawing mark The accumulation axis of note BA instruction carries out layer by layer.

It also shows that first part 1 is provided with described position feature 10 in Fig. 2, set for example, Fig. 1 shows basis The position feature in each lateral position (referring to left and right side) of meter.

Preferably, second part 2 is directly bonded to first part 1, is preferably directly bonded in identical manufacturing process To first part 1.

Mistake occurs for imperfect profile or geometry instruction the building operation failure of the component 100 in Fig. 2, this is usually Lead to the waste of whole part 100.Such failure may due to the fact that and occur: in the increasing material manufacturing of component 100 Unexpected thermal expansion, contaminated basic material and/or the simple unfavorable scrambling of single component part.

As shown in figure 3, the instruction with Fig. 2 is contrasted, the entire accumulation of component 100 as shown in Figure 2 or structure by Reversed processing or grinding removal (be originated from the time of building mistake occurs and manufacture state), until described 10 quilt of position feature Exposure becomes obvious.

The position feature 10 is constructed preferably as or is embodied as the recess portion imagined in the geometry of first part Or small hollow space, such as recess portion or small hollow space close to the coboundary of first part as shown in Figures 2 and 3.

In order to avoid increase material accumulation complete waste or it may be the case that its first part complete waste, proposed Method further includes the second part 2 that individually increasing material manufacturing is used for component 100, for example, as shown in Figure 4 and Figure 5 individual In manufacturing process.

Fig. 4 can be indicated --- instead of the physical structure of second part 2 --- and the design of second part 2 and (again) The processing step of the structured data of design or change component 100, such as design the CAM/CAD data set being based on and be varied or change Become the design of second part 2 as shown in Figure 4.

Fig. 5 can indicate the practical structures component based on design as shown in Figure 4.

According to the instruction of Fig. 4, second part preferably by increasing material manufacturing, may by with the phase that has been used for first part 1 Same manufacturing technology carrys out increasing material manufacturing.

Therefore, second part 2 is preferably provided with and the matched corresponding position feature 20 of the position feature of first part.It is special Not, corresponding position feature may include be configured to abut or engage it is described constitute first part 1 position feature 10 it is recessed The protrusion or any other engagement features or lock-in feature in portion (referring to following Fig. 6).

Therefore, first part 1 and second part 2 can be assembled and/or connect, wherein corresponding position feature 20 and position Feature 10 is set complementally and/or correspondingly to match or cooperate.

Due to the matching (referring to Fig. 6) of the position feature and corresponding position feature that are previously mentioned, first part 1 can also be opposite In second part 2 be aligned, or vice versa, therefore the part can by advantageously, reliably and for good and all connect (referring to Hereafter).

In other words, the part it is permanently connected before, the position feature 10 of first part 1 and second part 2 Corresponding position feature 20 can be aligned, and/or be cooperated by means of shape --- such as limitation first part 1 and second part 2 at least relative to horizontal direction or being mutually shifted of axis (referring in Fig. 1 with the corresponding system of axis x and axis y) --- by institute Part 1,2 is stated to be fixed relative to each other.

Other means may be needed reliably and for good and all to connect first part with second part, vice versa, example Such as, by means of traditional technology, such as other interconnection techniques known to welding, soldering or technical staff, for example, it is glued or there is spiral shell The component of bolt and/or contraction connection.

In Fig. 6, component 100 is preferably shown as assembled and/or (adhesively) and connects and in manufacture state.For This, the method proposed can use increasing material manufacturing principle and traditional technology or known technology.

In Fig. 7, the method and step proposed is advantageously summarized in schematic flow diagram:

Appended drawing reference a) the instruction increasing material manufacturing for the first part 1 of component 100 as described above, as described above, Wherein, position feature 10 (referring to fig. 2) is provided to first part 1.

Appended drawing reference b) instruction increasing material manufacturing in first part 1 is used for the second part 2 of component 100, as described above (referring to fig. 2).

(referring to component as shown in Figure 2 in the case where only occurring to construct failure during the increasing material manufacturing of second part 1 100 imperfect geometry), the method proposed includes reversed processing accumulation or removes material with grinding from current accumulation Material, until position feature 10 is exposed, (referring to Fig. 3) as described above.

Appended drawing reference c) further indicates that the method proposed or its single step can be in CAM softwares, CAM in Fig. 7 It is realized in software and/or simulation softward, which is configured to design and/or calculating position feature 10 and position feature 10 is opposite It designs and/or calculates in the position of component 100, such as automatically or semi-automatically.

Scope of the present disclosure interior, original design for component 100 and as shown in Figure 4 and as described above the The independent design updated or change of two parts 2, this can be applicable in.

Appended drawing reference d) instruction and the dividually increasing material manufacturing second part 2 of first part 1, to be provided to second part 2 Corresponding position feature 20, as described above.

Appended drawing reference e) instruction connects first part 1 and second part 2 to provide or complete the manufacture of component 100, as above Description.

The method proposed fully or only can also be executed partly by data processing equipment 200 (referring to Fig. 7).It is described to set Standby 200 may be configured to execute using at least some of described method and step or Overall Steps as program instruction.

Be certainly contemplated as within the scope of the invention, component to be manufactured can with illustrative embodiments it is significant not Together, and mentioned principle stands good.

Protection scope of the present invention is typically not limited to the example being given above.The present invention is embodied in each novel feature In each combination of feature, particularly including each combination for any feature stated in claim, even if being wanted in right Ask or example in be not expressly set out the combination of this feature or feature.

Claims (14)

1. a kind of method of increasing material manufacturing, comprising the following steps:

Increasing material manufacturing is used for the first part (1) of component (100), wherein Xiang Suoshu first part (1) provides position feature (10),

Increasing material manufacturing is used for the second part (2) of the component (100) on the first part (1), and described second In the case where building failure partially occurs during the increasing material manufacturing of (1),

The reversed current accumulation of processing is exposed until the position feature (10), and

With second part (2) described in the first part (1) dividually increasing material manufacturing, thus to the second part (2) provide Corresponding position feature (20), and

The first part (1) and the second part (2) are connected to provide the component (100).

2. according to the method described in claim 1, wherein, the position feature (10) and the corresponding position feature (20) are matched Being set to can be engaged by shape cooperation.

3. method according to claim 1 or 2, wherein the position feature (10) includes recess portion.

4. according to the method described in claim 3, wherein, the corresponding position feature (20) is and the matched engagement of the recess portion Feature or lock-in feature, so that the first part (1) and the second part (1) can engage.

5. method according to one of the preceding claims, wherein the first part (1) is the component (100) Be easy to construct or low-risk part, with low manufacture complexity and be not susceptible to construct mistake.

6. method according to one of the preceding claims, wherein the second part (2) is the component (100) Be prone to accumulate failure complexity or high risk part, for example including chamber (3), channel or other complex characteristics.

7. method according to one of the preceding claims, wherein the position feature (10) and the corresponding position Feature (20) is designed and/or is manufactured so that: the first part (1) and the second part (2) are aligned relative to each other To connect the first part (1) and the second part (2).

8. method according to one of the preceding claims, wherein the first part (1) and the second part (2) it is ultimately relative to be bonded to each other.

9. method according to one of the preceding claims, wherein the first part (1) includes being used for the component (100) foundation, and wherein, multiple position features (10) are provided at the coboundary of the first part (1).

10. method according to one of the preceding claims, wherein in the first part (1) along described Multiple position features (10) are provided at the identical height measured on the direction of the accumulation axis (BA) of component (100).

11. method according to one of the preceding claims, wherein for each position of the first part (1) Feature (10) provides a corresponding position feature (20) at the second part (2).

12. method according to one of the preceding claims, wherein for example selective by means of powder bed manufacturing technology Laser fusing or electron-beam melting come first part described in increasing material manufacturing (1) and/or the second part (2).

13. method according to one of the preceding claims, in CAD software, CAM software and/or simulation softward It realizes, the software is configured to Automated Design and/or calculates the position feature (10) and the position feature in the portion Position in part (100) or at the component (100).

14. a kind of computer-readable medium, including executable program instructions, the executable program instructions are suitable to indicate that at data It manages equipment and executes following steps:

Increasing material manufacturing is used for the first part of component, wherein and Xiang Suoshu first part (1) provides position feature (10),

Increasing material manufacturing is used for the second part of the component on the first part (1), and in the second part (2) Increasing material manufacturing during occur building failure in the case where,

The reversed current accumulation of processing is exposed until the position feature (10), and

With second part described in the first part dividually increasing material manufacturing, thus to the second part (2) provide corresponding positions Set feature (20).